The colorful clouds should be visible from New York to North Carolina.
It looks like a Fourth of July display, but it’s for science.
An Air Force program, created to improve radio transmission, might be the answer
Astronomers discover rainwater falling all over the planet!
The Bulletin of Atomic Scientists may have found a new way to track secret nuclear tests from those rogue nations...
The tops of tsunamis glow red, it turns out
Sometimes you’re just at the right place at the right time. Astronauts aboard the ISS experienced just such a moment...
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.